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<li class="navelem"><a class="el" href="dir_23fbec4e7c966aae2efbb90aeb47f596.html">session</a></li><li class="navelem"><a class="el" href="dir_f0dcdbcdad5dc990ffed47548b79989b.html">detail</a></li><li class="navelem"><a class="el" href="dir_13fb761781f259689dae367412ad59fa.html">shm</a></li><li class="navelem"><a class="el" href="dir_68d5b84e2d7fbdf92eb777d1101c0079.html">classic</a></li>  </ul>
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  <div class="headertitle"><div class="title">client_session_impl.hpp</div></div>
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<a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow-IPC: Shared Memory</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Unless required by applicable law or agreed to in</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="src_2ipc_2session_2detail_2shm_2classic_2session__impl_8hpp.html">ipc/session/detail/shm/classic/session_impl.hpp</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &quot;<a class="code" href="ipc__session_2src_2ipc_2session_2detail_2client__session__impl_8hpp.html">ipc/session/detail/client_session_impl.hpp</a>&quot;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &lt;boost/move/make_unique.hpp&gt;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceipc_1_1session_1_1shm_1_1classic.html">ipc::session::shm::classic</a></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>{</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="comment">// Types.</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="comment"></span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="comment">/**</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="comment"> * Core internally-used implementation of shm::classic::Client_session: it is to the latter what its `public`</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> * super-class Client_session_impl is to #Client_session.</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"> *</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment"> * @see shm::classic::Client_session doc header which covers both its public behavior/API and a detailed sketch</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> *      of the entire implementation.</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> *</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> * ### Impl notes ###</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> * The use of app_shm() and session_shm(), and various public APIs around them, is totally symmetrical with</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"> * Server_session_impl; so that all is in super-class Session_impl.  We do what&#39;s asymmetrical:</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> * assigning session_shm() and app_shm() values; and provide the client-specific APIs (notably</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> * sync_connect() which is written again in terms of -- our own -- async_connect()).</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> *</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> * @tparam S_MQ_TYPE_OR_NONE</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> *         See shm::classic::Client_session counterpart.</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> * @tparam S_TRANSMIT_NATIVE_HANDLES</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> *         See shm::classic::Client_session counterpart.</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> * @tparam Mdt_payload</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> *         See shm::classic::Client_session counterpart.</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> */</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="keyword">template</span>&lt;schema::MqType S_MQ_TYPE_OR_NONE, <span class="keywordtype">bool</span> S_TRANSMIT_NATIVE_HANDLES, <span class="keyword">typename</span> Mdt_payload&gt;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html">   51</a></span><span class="keyword">class </span><a class="code hl_class" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html">Client_session_impl</a> :</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>  <span class="keyword">public</span> <a class="code hl_class" href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html">Session_impl</a>&lt;session::Client_session_impl&lt;S_MQ_TYPE_OR_NONE, S_TRANSMIT_NATIVE_HANDLES, Mdt_payload,</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>                                                   schema::ShmType::CLASSIC&gt;&gt;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>{</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span>  <span class="comment">// Types.</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"></span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment">  /// Short-hand for our non-`virtual` base.</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#ad8ee9fe8272ecbb6da5f13e459feb668">   59</a></span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_class" href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html">Base</a> = <a class="code hl_class" href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html">Session_impl</a></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>                 &lt;<a class="code hl_class" href="classipc_1_1session_1_1Client__session__impl.html">session::Client_session_impl</a>&lt;S_MQ_TYPE_OR_NONE, S_TRANSMIT_NATIVE_HANDLES, Mdt_payload,</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>                                               schema::ShmType::CLASSIC&gt;&gt;;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>  <span class="comment">// Constructors/destructor.</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment"></span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment">  /// Inherit ctor.</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment"></span>  <span class="keyword">using </span><a class="code hl_class" href="classipc_1_1session_1_1Client__session__impl.html">Base::Base</a>;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span> </div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"></span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment">   * See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment">   *</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment">   * @param err_code</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment">   * @return See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment">   */</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#a100541ab213d66e23684d8041f8462c6">sync_connect</a>(<a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code);</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment"></span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment">   * See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment">   *</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment">   * @param mdt</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment">   * @param init_channels_by_cli_req_pre_sized</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment">   * @param mdt_from_srv_or_null</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment">   * @param init_channels_by_srv_req</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment">   * @param err_code</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment">   *        See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment">   * @return See Client_session_mv counterpart.</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment">   */</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#a100541ab213d66e23684d8041f8462c6">sync_connect</a>(<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">Base::Base::Base::Mdt_builder_ptr</a>&amp; mdt,</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>                    <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>                    <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>* mdt_from_srv_or_null,</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>                    <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_srv_req,</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span>                    <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>  <span class="comment">// The LOG_*() macros don&#39;t see Log_context::get_log*() from base otherwise....</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>  <span class="keyword">using </span>flow::log::Log_context::get_logger;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>  <span class="keyword">using </span>flow::log::Log_context::get_log_component;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment"></span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment">   * See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment">   *</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment">   * @param mdt</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">   * @param init_channels_by_cli_req_pre_sized</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment">   * @param mdt_from_srv_or_null</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment">   * @param init_channels_by_srv_req</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment">   * @param on_done_func</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment">   *        See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment">   * @return See session::Client_session_impl counterpart.</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment">   */</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#a2e6f245648bff51b17a45a16178d62dc">async_connect</a>(<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">Base::Base::Base::Mdt_builder_ptr</a>&amp; mdt,</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>                     <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>                     <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>* mdt_from_srv_or_null,</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>                     <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_srv_req,</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>                     Task_err&amp;&amp; on_done_func);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span> </div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>  <span class="comment">// Data.</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment"></span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment">   * Pointee of this is the pointee of Base::app_shm(); null until successful async_connect(); non-null and</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment">   * immutable subsequently.</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment">   */</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#aef219aa9de394a81e88e488775b22351">  135</a></span>  <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html#adfab6a0e4397664c48097f7d6218de1c">Base::Arena_ptr</a> <a class="code hl_variable" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#aef219aa9de394a81e88e488775b22351">m_app_shm</a>;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>}; <span class="comment">// class Client_session_impl</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment">// Free functions: in *_fwd.hpp.</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">// Template implementations.</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment"></span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment">/// Internally used macro; public API users should disregard (same deal as in struc/channel.hpp).</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"><a class="line" href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html#afecceccef0e3f854bd7b3d0ea5437620">  143</a></span><span class="comment"></span><span class="preprocessor">#define TEMPLATE_CLSC_CLI_SESSION_IMPL \</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="preprocessor">  template&lt;schema::MqType S_MQ_TYPE_OR_NONE, bool S_TRANSMIT_NATIVE_HANDLES, typename Mdt_payload&gt;</span><span class="comment"></span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">/// Internally used macro; public API users should disregard (same deal as in struc/channel.hpp).</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"><a class="line" href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html#a2f6cbc70fd1561d57cfc391996aa2f03">  146</a></span><span class="comment"></span><span class="preprocessor">#define CLASS_CLSC_CLI_SESSION_IMPL \</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="preprocessor">  Client_session_impl&lt;S_MQ_TYPE_OR_NONE, S_TRANSMIT_NATIVE_HANDLES, Mdt_payload&gt;</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><a class="code hl_define" href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html#afecceccef0e3f854bd7b3d0ea5437620">TEMPLATE_CLSC_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#a100541ab213d66e23684d8041f8462c6">  150</a></span><span class="keywordtype">bool</span> CLASS_CLSC_CLI_SESSION_IMPL::sync_connect(<a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code)</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>{</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>  <span class="keywordflow">return</span> sync_connect(Base::Base::mdt_builder(), <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, <span class="keyword">nullptr</span>, err_code);</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>}</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><a class="code hl_define" href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html#afecceccef0e3f854bd7b3d0ea5437620">TEMPLATE_CLSC_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#a1ce2eada25df5c6fa8e225f442871d58">  156</a></span><span class="keywordtype">bool</span> CLASS_CLSC_CLI_SESSION_IMPL::sync_connect(<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">Base::Base::Base::Mdt_builder_ptr</a>&amp; mdt,</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>                                               <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>                                               <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>* mdt_from_srv_or_null,</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span>                                               <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_srv_req,</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>                                               <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code)</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>{</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span>  <span class="keyword">using </span>flow::async::Task_asio_err;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span>  <a class="code hl_typedef" href="namespaceipc.html#aa455c7f045059736578ca275fc1a851f">Function</a>&lt;bool (Task_asio_err&amp;&amp;)&gt; async_connect_impl_func = [&amp;](Task_asio_err&amp;&amp; on_done_func) -&gt; <span class="keywordtype">bool</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span>  {</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span>    <span class="keywordflow">return</span> async_connect(mdt, init_channels_by_cli_req_pre_sized, mdt_from_srv_or_null, init_channels_by_srv_req,</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>                         std::move(on_done_func));</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>  };</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>  <span class="keywordflow">return</span> Base::Base::sync_connect_impl(err_code, &amp;async_connect_impl_func);</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>}</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span> </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><a class="code hl_define" href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html#afecceccef0e3f854bd7b3d0ea5437620">TEMPLATE_CLSC_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Task_err&gt;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#a2e6f245648bff51b17a45a16178d62dc">  174</a></span><span class="keywordtype">bool</span> CLASS_CLSC_CLI_SESSION_IMPL::async_connect</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>       (<span class="keyword">const</span> <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">Base::Base::Base::Mdt_builder_ptr</a>&amp; mdt,</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_cli_req_pre_sized,</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>* mdt_from_srv_or_null,</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>        <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>* init_channels_by_srv_req,</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>        Task_err&amp;&amp; on_done_func)</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span>{</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span>  <span class="keyword">using </span>boost::movelib::make_unique;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>  <span class="keyword">using </span>boost::make_shared;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>  <span class="keyword">using </span>boost::shared_ptr;</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>  <span class="keyword">using </span><a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Channels</a> = <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">Base::Base::Base::Channels</a>;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>  <span class="keyword">using </span><a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Mdt_reader_ptr</a> = <span class="keyword">typename</span> <a class="code hl_typedef" href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">Base::Base::Base::Mdt_reader_ptr</a>;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>  <span class="comment">/* Very simple really: server is in charge of setting up the SHM arenas; we just open them.</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment">   * Unlike on the server side, no one but the us-calling user needs to be gated on our successfully opening</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="comment">   * them; so we can simply perform the entire vanilla Base::Base::async_connect(), and if that went fine then</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">   * open the arenas.</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">   *</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment">   * The only wrinkle is, what (unlikely though it is) the opening fails.  *(Base*)this is already in PEER</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment">   * state by then.  Well, cancel_peer_state_to_null() exists for that purpose.  A bit cheesy?  One could say that...</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment">   * but it&#39;s not that bad.</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="comment">   *</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span><span class="comment">   * Okay, another wrinkle; don&#39;t set the out-args, until we are really successful; so put stuff</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment">   * into some intermediate targets first. */</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>  <span class="keyword">auto</span> temp_init_channels_by_cli_req_pre_sized</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span>    = init_channels_by_cli_req_pre_sized ? make_shared&lt;Channels&gt;(init_channels_by_cli_req_pre_sized-&gt;size())</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>                                         : shared_ptr&lt;Channels&gt;();</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>  <span class="keyword">auto</span> temp_mdt_from_srv_or_null</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>    = mdt_from_srv_or_null ? make_shared&lt;Mdt_reader_ptr&gt;() : shared_ptr&lt;Mdt_reader_ptr&gt;();</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>  <span class="keyword">auto</span> temp_init_channels_by_srv_req</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>    = init_channels_by_srv_req ? make_shared&lt;Channels&gt;() : shared_ptr&lt;Channels&gt;();</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>  <span class="keywordflow">return</span> Base::Base::async_connect(mdt,</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>                                   temp_init_channels_by_cli_req_pre_sized.get(),</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>                                   temp_mdt_from_srv_or_null.get(),</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>                                   temp_init_channels_by_srv_req.get(),</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>                                   [<span class="keyword">this</span>, on_done_func = std::move(on_done_func),</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>                                    init_channels_by_cli_req_pre_sized, mdt_from_srv_or_null, init_channels_by_srv_req,</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>                                    temp_init_channels_by_cli_req_pre_sized, <span class="comment">// @todo Avoid s_p&lt;&gt; copies here.</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>                                    temp_mdt_from_srv_or_null,</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>                                    temp_init_channels_by_srv_req]</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>                                     (<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>&amp; async_err_code)</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>  {</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    if (async_err_code)</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span>    {</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>      <span class="comment">// No questions asked.  GTFO.</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>      on_done_func(async_err_code);</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>      return;</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    }</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>    <span class="comment">/* else: Cool; just do what shm::classic::Server_session_impl did except much simpler:</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment">     *   - Merely open, no creating.</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="comment">     *   - Lifetime of the Arena (pool handle) equals `*this`; so no need to interface with any daddy</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span><span class="comment">     *     server object; just do it. */</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span> </div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>    <span class="keyword">auto</span> err_code = async_err_code; <span class="comment">// We may need to modify it anyway below, so make a copy.</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>    <span class="keyword">const</span> <span class="keyword">auto</span> srv_app_name = <a class="code hl_function" href="classipc_1_1util_1_1Shared__name.html#a48f20b7b54490aa10dc64081d34c55b2">Shared_name::ct</a>(Base::Base::Base::m_srv_app_ref.m_name);</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>    <span class="keyword">const</span> <span class="keyword">auto</span> cli_app_name = <a class="code hl_function" href="classipc_1_1util_1_1Shared__name.html#a48f20b7b54490aa10dc64081d34c55b2">Shared_name::ct</a>(Base::Base::Base::cli_app_ptr()-&gt;m_name);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>    <span class="keyword">const</span> <span class="keyword">auto</span>&amp; srv_namespace = Base::Base::Base::srv_namespace();</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>    <span class="keyword">decltype</span>(m_app_shm) session_shm;</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span>    <span class="keyword">auto</span> shm_pool_name = <a class="code hl_function" href="namespaceipc_1_1session.html#a365d2d63f77b738e67e206af6b702634">build_conventional_shared_name</a>(<a class="code hl_variable" href="classipc_1_1util_1_1Shared__name.html#a4c294e23753eb706b4c297d99d24cd48">Shared_name::S_RESOURCE_TYPE_ID_SHM</a>,</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>                                                        srv_app_name, srv_namespace, cli_app_name,</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>                                                        Base::Base::Base::cli_namespace())</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>                         / <a class="code hl_variable" href="namespaceipc_1_1session_1_1shm_1_1classic.html#a302c6f293732270b584f94193ffac1b8">SHM_SUBTYPE_PREFIX</a></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>                         / <a class="code hl_variable" href="classipc_1_1util_1_1Shared__name.html#aaa78ddb3efa5abe4fa80058dedbef68c">Shared_name::S_1ST_OR_ONLY</a>;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>    session_shm = make_unique&lt;typename Base::Arena&gt;</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>                    (get_logger(), shm_pool_name, <a class="code hl_variable" href="namespaceipc_1_1util.html#a6a3a6ec85242d073df96978c63464078">util::OPEN_ONLY</a>, <span class="keyword">false</span>, &amp;err_code);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span> </div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>    <span class="keywordflow">if</span> (!err_code)</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>    {</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>      shm_pool_name = <a class="code hl_function" href="namespaceipc_1_1session.html#a365d2d63f77b738e67e206af6b702634">build_conventional_shared_name</a>(<a class="code hl_variable" href="classipc_1_1util_1_1Shared__name.html#a4c294e23753eb706b4c297d99d24cd48">Shared_name::S_RESOURCE_TYPE_ID_SHM</a>,</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>                                                     srv_app_name, srv_namespace, cli_app_name)</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>                      / <a class="code hl_variable" href="namespaceipc_1_1session_1_1shm_1_1classic.html#a302c6f293732270b584f94193ffac1b8">SHM_SUBTYPE_PREFIX</a></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>                      / <a class="code hl_variable" href="classipc_1_1util_1_1Shared__name.html#aaa78ddb3efa5abe4fa80058dedbef68c">Shared_name::S_1ST_OR_ONLY</a>;</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>      assert(!m_app_shm);</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span>      m_app_shm = make_unique&lt;typename Base::Arena&gt;</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span>                    (get_logger(), shm_pool_name, <a class="code hl_variable" href="namespaceipc_1_1util.html#a6a3a6ec85242d073df96978c63464078">util::OPEN_ONLY</a>, <span class="keyword">false</span>, &amp;err_code);</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span>    } <span class="comment">// if (!err_code) (but may have become truthy inside)</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>    <span class="keywordflow">if</span> (err_code)</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>    {</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>      <span class="comment">// Get back to NULL state all around.  Note: do *not* ever clean underlying shared resources (server&#39;s job!).</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>      assert(!m_app_shm);</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>      Base::Base::cancel_peer_state_to_null();</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>    }</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>    <span class="comment">// else { Well... great!  Stay in PEER state. }</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>    Base::init_shm_arenas(std::move(session_shm), m_app_shm.get()); <span class="comment">// Might be saving nulls (if err_code truthy).</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>    <span class="keywordflow">if</span> (!err_code)</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span>    {</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>      <span class="comment">// Still good!  Finalize out-args.</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>      <span class="keywordflow">if</span> (init_channels_by_cli_req_pre_sized)</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>      {</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>        *init_channels_by_cli_req_pre_sized = std::move(*temp_init_channels_by_cli_req_pre_sized);</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>      }</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>      <span class="keywordflow">if</span> (mdt_from_srv_or_null)</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>      {</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>        *mdt_from_srv_or_null = std::move(*temp_mdt_from_srv_or_null);</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>      }</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>      <span class="keywordflow">if</span> (init_channels_by_srv_req)</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>      {</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>        *init_channels_by_srv_req = std::move(*temp_init_channels_by_srv_req);</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>      }</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>    } <span class="comment">// if (!err_code)</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span> </div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>    on_done_func(err_code); <span class="comment">// err_code could be truthy.</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>  }); <span class="comment">// return Base::Base::async_connect()</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>} <span class="comment">// Client_session_impl::async_connect()</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span> </div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><a class="code hl_define" href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html#afecceccef0e3f854bd7b3d0ea5437620">TEMPLATE_CLSC_CLI_SESSION_IMPL</a></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"><a class="line" href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#a5044ac385b12210816fc95ca1d5408b6">  286</a></span>std::ostream&amp; <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a33231b969171a9103cd0a319ea10278b">operator&lt;&lt;</a>(std::ostream&amp; os, <span class="keyword">const</span> <a class="code hl_define" href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html#a2f6cbc70fd1561d57cfc391996aa2f03">CLASS_CLSC_CLI_SESSION_IMPL</a>&amp; val)</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span>{</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>  <span class="keywordflow">return</span> os &lt;&lt; static_cast&lt;const typename CLASS_CLSC_CLI_SESSION_IMPL::Base&amp;&gt;(val);</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>}</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span> </div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span><span class="preprocessor">#undef CLASS_CLSC_CLI_SESSION_IMPL</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="preprocessor">#undef TEMPLATE_CLSC_CLI_SESSION_IMPL</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span> </div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>} <span class="comment">// namespace ipc::session::shm::classic</span></div>
<div class="ttc" id="aclassipc_1_1session_1_1Client__session__impl_html"><div class="ttname"><a href="classipc_1_1session_1_1Client__session__impl.html">ipc::session::Client_session_impl</a></div><div class="ttdoc">Internal, non-movable pImpl-lite implementation of Client_session_mv class template.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__session_2src_2ipc_2session_2detail_2client__session__impl_8hpp_source.html#l00217">client_session_impl.hpp:220</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1Session__base_html_a4a7a5b83f6ba8bd505685636eabc012b"><div class="ttname"><a href="classipc_1_1session_1_1Session__base.html#a4a7a5b83f6ba8bd505685636eabc012b">ipc::session::Session_base::Mdt_builder_ptr</a></div><div class="ttdeci">boost::shared_ptr&lt; Mdt_builder &gt; Mdt_builder_ptr</div><div class="ttdoc">See Session_mv (or Session concept).</div><div class="ttdef"><b>Definition:</b> <a href="session__base_8hpp_source.html#l00136">session_base.hpp:136</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1Session__base_html_a638232ef74a0eb80aeb4f027ee06f9bf"><div class="ttname"><a href="classipc_1_1session_1_1Session__base.html#a638232ef74a0eb80aeb4f027ee06f9bf">ipc::session::Session_base::Channels</a></div><div class="ttdeci">std::vector&lt; Channel_obj &gt; Channels</div><div class="ttdoc">See Session_mv. Note: If changed from vector please update those doc headers too.</div><div class="ttdef"><b>Definition:</b> <a href="session__base_8hpp_source.html#l00122">session_base.hpp:122</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1Session__base_html_ace4dab42adec6354cc66081dd218ac71"><div class="ttname"><a href="classipc_1_1session_1_1Session__base.html#ace4dab42adec6354cc66081dd218ac71">ipc::session::Session_base::Mdt_reader_ptr</a></div><div class="ttdeci">boost::shared_ptr&lt; typename transport::struc::schema::Metadata&lt; Mdt_payload_obj &gt;::Reader &gt; Mdt_reader_ptr</div><div class="ttdoc">See Session_mv (or Session concept).</div><div class="ttdef"><b>Definition:</b> <a href="session__base_8hpp_source.html#l00128">session_base.hpp:129</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl_html"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html">ipc::session::shm::classic::Client_session_impl</a></div><div class="ttdoc">Core internally-used implementation of shm::classic::Client_session: it is to the latter what its pub...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp_source.html#l00051">client_session_impl.hpp:54</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl_html_a100541ab213d66e23684d8041f8462c6"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#a100541ab213d66e23684d8041f8462c6">ipc::session::shm::classic::Client_session_impl::sync_connect</a></div><div class="ttdeci">bool sync_connect(Error_code *err_code)</div><div class="ttdoc">See Client_session_mv counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp_source.html#l00150">client_session_impl.hpp:150</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl_html_a2e6f245648bff51b17a45a16178d62dc"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#a2e6f245648bff51b17a45a16178d62dc">ipc::session::shm::classic::Client_session_impl::async_connect</a></div><div class="ttdeci">bool async_connect(const typename Base::Base::Base::Mdt_builder_ptr &amp;mdt, typename Base::Base::Base::Channels *init_channels_by_cli_req_pre_sized, typename Base::Base::Base::Mdt_reader_ptr *mdt_from_srv_or_null, typename Base::Base::Base::Channels *init_channels_by_srv_req, Task_err &amp;&amp;on_done_func)</div><div class="ttdoc">See session::Client_session_impl counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp_source.html#l00174">client_session_impl.hpp:175</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl_html_aef219aa9de394a81e88e488775b22351"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1classic_1_1Client__session__impl.html#aef219aa9de394a81e88e488775b22351">ipc::session::shm::classic::Client_session_impl::m_app_shm</a></div><div class="ttdeci">Base::Arena_ptr m_app_shm</div><div class="ttdoc">Pointee of this is the pointee of Base::app_shm(); null until successful async_connect(); non-null an...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp_source.html#l00135">client_session_impl.hpp:135</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1classic_1_1Session__impl_html"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html">ipc::session::shm::classic::Session_impl</a></div><div class="ttdoc">Common data and logic for shm::classic::Server_session_impl and shm::classic::Client_session_impl.</div><div class="ttdef"><b>Definition:</b> <a href="src_2ipc_2session_2detail_2shm_2classic_2session__impl_8hpp_source.html#l00043">session_impl.hpp:44</a></div></div>
<div class="ttc" id="aclassipc_1_1session_1_1shm_1_1classic_1_1Session__impl_html_adfab6a0e4397664c48097f7d6218de1c"><div class="ttname"><a href="classipc_1_1session_1_1shm_1_1classic_1_1Session__impl.html#adfab6a0e4397664c48097f7d6218de1c">ipc::session::shm::classic::Session_impl&lt; session::Client_session_impl&lt; S_MQ_TYPE_OR_NONE, S_TRANSMIT_NATIVE_HANDLES, Mdt_payload, schema::ShmType::CLASSIC &gt; &gt;::Arena_ptr</a></div><div class="ttdeci">boost::movelib::unique_ptr&lt; Arena &gt; Arena_ptr</div><div class="ttdoc">Short-hand for, basically, Arena that may not have been opened yet (and is therefore null).</div><div class="ttdef"><b>Definition:</b> <a href="src_2ipc_2session_2detail_2shm_2classic_2session__impl_8hpp_source.html#l00164">session_impl.hpp:164</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a33231b969171a9103cd0a319ea10278b"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a33231b969171a9103cd0a319ea10278b">ipc::transport::Native_socket_stream::Impl::operator&lt;&lt;</a></div><div class="ttdeci">std::ostream &amp; operator&lt;&lt;(std::ostream &amp;os, const Native_socket_stream::Impl &amp;val)</div><div class="ttdoc">Prints string representation of the given Native_socket_stream::Impl to the given ostream.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00225">native_socket_stream_impl.cpp:225</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html_a48f20b7b54490aa10dc64081d34c55b2"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html#a48f20b7b54490aa10dc64081d34c55b2">ipc::util::Shared_name::ct</a></div><div class="ttdeci">static Shared_name ct(const Source &amp;src)</div><div class="ttdoc">Copy-constructs from a char-sequence container (including string, util::String_view,...</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00674">shared_name.hpp:674</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html_a4c294e23753eb706b4c297d99d24cd48"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html#a4c294e23753eb706b4c297d99d24cd48">ipc::util::Shared_name::S_RESOURCE_TYPE_ID_SHM</a></div><div class="ttdeci">static const Shared_name S_RESOURCE_TYPE_ID_SHM</div><div class="ttdoc">Relative-folder fragment (no separators) identifying the resource type for: SHM pools.</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00312">shared_name.hpp:312</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html_aaa78ddb3efa5abe4fa80058dedbef68c"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html#aaa78ddb3efa5abe4fa80058dedbef68c">ipc::util::Shared_name::S_1ST_OR_ONLY</a></div><div class="ttdeci">static const Shared_name S_1ST_OR_ONLY</div><div class="ttdoc">A Shared_name fragment, with no S_SEPARATOR characters inside, that represents a path component that ...</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00309">shared_name.hpp:309</a></div></div>
<div class="ttc" id="aipc__session_2src_2ipc_2session_2detail_2client__session__impl_8hpp_html"><div class="ttname"><a href="ipc__session_2src_2ipc_2session_2detail_2client__session__impl_8hpp.html">client_session_impl.hpp</a></div></div>
<div class="ttc" id="aipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp_html_a2f6cbc70fd1561d57cfc391996aa2f03"><div class="ttname"><a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html#a2f6cbc70fd1561d57cfc391996aa2f03">CLASS_CLSC_CLI_SESSION_IMPL</a></div><div class="ttdeci">#define CLASS_CLSC_CLI_SESSION_IMPL</div><div class="ttdoc">Internally used macro; public API users should disregard (same deal as in struc/channel....</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp_source.html#l00146">client_session_impl.hpp:146</a></div></div>
<div class="ttc" id="aipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp_html_afecceccef0e3f854bd7b3d0ea5437620"><div class="ttname"><a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp.html#afecceccef0e3f854bd7b3d0ea5437620">TEMPLATE_CLSC_CLI_SESSION_IMPL</a></div><div class="ttdeci">#define TEMPLATE_CLSC_CLI_SESSION_IMPL</div><div class="ttdoc">Internally used macro; public API users should disregard (same deal as in struc/channel....</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2client__session__impl_8hpp_source.html#l00143">client_session_impl.hpp:143</a></div></div>
<div class="ttc" id="anamespaceipc_1_1session_1_1shm_1_1classic_html"><div class="ttname"><a href="namespaceipc_1_1session_1_1shm_1_1classic.html">ipc::session::shm::classic</a></div><div class="ttdoc">Support for SHM-backed ipc::session sessions and session-servers with the SHM-classic (ipc::shm::clas...</div><div class="ttdef"><b>Definition:</b> <a href="session_2detail_2shm_2classic_2classic__fwd_8hpp_source.html#l00023">classic_fwd.hpp:24</a></div></div>
<div class="ttc" id="anamespaceipc_1_1session_1_1shm_1_1classic_html_a302c6f293732270b584f94193ffac1b8"><div class="ttname"><a href="namespaceipc_1_1session_1_1shm_1_1classic.html#a302c6f293732270b584f94193ffac1b8">ipc::session::shm::classic::SHM_SUBTYPE_PREFIX</a></div><div class="ttdeci">const Shared_name SHM_SUBTYPE_PREFIX</div><div class="ttdoc">Internally used in pool names generated in this namespace to differentiate from those of other SHM-su...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__shm_2src_2ipc_2session_2detail_2shm_2classic_2session__shared__name_8cpp_source.html#l00027">session_shared_name.cpp:27</a></div></div>
<div class="ttc" id="anamespaceipc_1_1session_html_a365d2d63f77b738e67e206af6b702634"><div class="ttname"><a href="namespaceipc_1_1session.html#a365d2d63f77b738e67e206af6b702634">ipc::session::build_conventional_shared_name</a></div><div class="ttdeci">Shared_name build_conventional_shared_name(const Shared_name &amp;resource_type, const Shared_name &amp;srv_app_name, const Shared_name &amp;srv_namespace, const Shared_name &amp;cli_app_name, const Shared_name &amp;cli_namespace_or_sentinel)</div><div class="ttdoc">Builds an absolute name according to the path convention explained in Shared_name class doc header; t...</div><div class="ttdef"><b>Definition:</b> <a href="ipc__session_2src_2ipc_2session_2detail_2session__shared__name_8cpp_source.html#l00043">session_shared_name.cpp:44</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a6a3a6ec85242d073df96978c63464078"><div class="ttname"><a href="namespaceipc_1_1util.html#a6a3a6ec85242d073df96978c63464078">ipc::util::OPEN_ONLY</a></div><div class="ttdeci">const Open_only OPEN_ONLY</div><div class="ttdoc">Tag value indicating an atomic open-if-exists-else-fail operation.</div><div class="ttdef"><b>Definition:</b> <a href="ipc__core_2src_2ipc_2util_2util_8cpp_source.html#l00031">util.cpp:31</a></div></div>
<div class="ttc" id="anamespaceipc_html_aa3192e586cc45d3e7c22463bf2760f89"><div class="ttname"><a href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">ipc::Error_code</a></div><div class="ttdeci">flow::Error_code Error_code</div><div class="ttdoc">Short-hand for flow::Error_code which is very common.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00298">common.hpp:298</a></div></div>
<div class="ttc" id="anamespaceipc_html_aa455c7f045059736578ca275fc1a851f"><div class="ttname"><a href="namespaceipc.html#aa455c7f045059736578ca275fc1a851f">ipc::Function</a></div><div class="ttdeci">flow::Function&lt; Signature &gt; Function</div><div class="ttdoc">Short-hand for polymorphic functor holder which is very common. This is essentially std::function.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00302">common.hpp:302</a></div></div>
<div class="ttc" id="asrc_2ipc_2session_2detail_2shm_2classic_2session__impl_8hpp_html"><div class="ttname"><a href="src_2ipc_2session_2detail_2shm_2classic_2session__impl_8hpp.html">session_impl.hpp</a></div></div>
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